diff --git a/Makefile b/Makefile
index 139d4ef6..69658412 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ RELEASE=4.1
 
 VERSION=4.0
 PACKAGE=qemu-server
-PKGREL=51
+PKGREL=52
 
 CFLAGS= -O2 -Werror -Wall -Wtype-limits -Wl,-z,relro 
 
diff --git a/changelog.Debian b/changelog.Debian
index 7d29f565..fe00f67b 100644
--- a/changelog.Debian
+++ b/changelog.Debian
@@ -1,3 +1,9 @@
+qemu-server (4.0-52) unstable; urgency=medium
+
+  * close tunnel after migration is finish.
+
+ -- Proxmox Support Team <support@proxmox.com>  Tue, 02 Feb 2016 18:16:47 +0100
+
 qemu-server (4.0-51) unstable; urgency=medium
 
   * Fix #878: disk-size format